This I make to use in recipes
Standard ratios printed on a page reveal nothing about the thermal dynamics required to hydrate starch granules properly without scorching the dairy solids. Achieving a velvety consistency relies heavily on the initial cooking of the fat and flour paste, because raw starches will impart a distinct, pasty flavor if they do not reach the proper cooking threshold before the liquid is introduced. Maintaining control over your heat source ensures the mixture thickens uniformly as starches swell and absorb the surrounding moisture.
Precision during the initial flour-cooking phase dictates the final mouthfeel of the preparation. Temperature management prevents scorching at the bottom of the pan while the sauce achieves its target viscosity.